.row {
    margin-bottom: 20px;
}

.row .row {
    margin-top: 10px;
    margin-bottom: 0;
}

[class*="col-"] {
    padding-top: 15px;
    padding-bottom: 15px;
    background-color: rgba(86, 61, 124, .15);
    border: rgba(86, 61, 124, .2);
    border: 1px solid #ddd;
}